The carburetor adaptors for the Mach I, Mach Z & FIII take the place of the factory flanges and support the coils in the original location. These adaptors are for larger carbs when installed on the motor. They will...

We carry aftermarket coil brackets for the 3 cylinder Rotax base with small reeds which can accomendate either MSD coils or the Rotax stock coils. We also have a coil bracket for use with large reeds on a 3 cylinder...

Winner of the 1994 ISR Engineering Award, our oval slide carburetors have been the hottest bolt on improvement to come along in the racing industry in many years. They are a must if you want to be competitive on the...

We have designed our flat slide carbs for use with reed or rotary motors. The carb will use a T-style custom slide (only 1 cut away available) and custom needle. All other tuning parts are standard Mikuni. These carbs...

Built from The Crank Shop or customer supplied 44's these 48mm carbs are made possible by replacing the stock 46mm slide with a custom fitted 49mm slide, thus allowing us to bore the throat to a full 48mm. Slides are...

Diad carburetors are available again. They are sold only with body, slide and diad slide aluminum screw. No brass, carb springs, or needles included. The Diad Carburetors use Mikuni tuning parts. The Crank Shop only...

The UNI filter is available in 2 1/4" or 2 3/4" inside diameter by 6" long with fifteen degree angle. We offer a UNI filter for our 52-56 mm flatslide carbs. We have K & N filters for 34, 36, 38, and 40 mm carbs. We...

Looking to replace a few of your carb parts, we carry a full line of replacement parts for Mikuni 40 & 44 round slide carbs and Crank Shop flatslide carbs. We have in stock bowl screws, gaskets, floats, float arms,...